package com.mmall.common;

import org.codehaus.jackson.annotate.JsonIgnore;
import org.codehaus.jackson.map.annotate.JacksonInject;
import org.codehaus.jackson.map.annotate.JsonSerialize;

import java.io.Serializable;

/**
 * Created by yanglin on 2019/3/3.
 */


@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
//保证序列化 json的时候，如果是null的对象,key也会消失
public class ServerResponse<T> implements Serializable {

    private int status;
    private String msg;
    private T data;

    private ServerResponse(int status){
        this.status = status;
    }
    private ServerResponse(int status,T data){
        this.status = status;
        this.data=data;

    }
    private ServerResponse(int status ,String msg,T data){
        this.status =status;
        this.msg = msg;
        this.data=data;
    }
    private ServerResponse (int status ,String msg){
        this.status = status;
        this.msg = msg;
    }

    @JsonIgnore
    //使之不在序列化结果当中
 public boolean isSucess(){
     return this.status ==ResponseCode.SUCCESS.getCode();
 }
   public int getStatus(){
       return status;
   }
    public T getData(){
        return data;
    }
    public String getMsg(){
        return msg;
    }
    public  static  <T> ServerResponse<T> createBySuccess(){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
    }
  public static <T> ServerResponse<T> createBySuccessMessage(String msg){
       return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg);
  }
  public static <T> ServerResponse<T> createBySuccess(T data){
      return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),data);
  }
    public static <T> ServerResponse<T> createBySuccess(String msg,T data) {
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg,data);
    }
   public static <T> ServerResponse<T> createByError(){
       return  new ServerResponse<T>(ResponseCode.ERROR.getCode(),ResponseCode.ERROR.getDesc());
   }
    //有些错误需要返回一些提示
public static  <T> ServerResponse<T> createByErrorMessage(String errorMessage){
    return new ServerResponse<T>(ResponseCode.ERROR.getCode(),errorMessage);
}

public static  <T> ServerResponse<T> createByErrorCodeMessage(int errorCode,String errorMessage){
    return new ServerResponse<T>(errorCode,errorMessage);
}




}
